The legendary "Blue Moon" What is it?.

<P Align=center> </ P> World Scientific reports [tech.] News: the legendary "Blue Moon" will be coming out <P align=left> Following the June 1, 2007 after the full moon night, June 30 .We will once again usher in the evening of June 2007 in the second full moon. .The full moon in a number of records in the astronomical calendar and yearbook is called "Blue Moon." .(Click here to visit an ice blog) </ P> <P align=left> what is called the Blue Moon? .</ P> <P align=left> in the astronomical calendar and yearbook, when the full moon appears twice a month, the second full moon to be given a name full of mystery and romantic - Blue Moon (Blue moon). .</ P> <P align=left> Blue Moon is a rare astronomical phenomenon, but it is not unusual. .Under normal circumstances, only one month, full moon, but this year in June exception. .According to calendar calculations, the two separated by about 29.5 days between full moon, while the currently used Gregorian calendar, the time each month for the 31 days Otsuki, Satsuki for 30 days, which there is a time lag, resulting in a lunar .months may also be two full moons. .Is calculated on average over 32 months there will be a blue moon. .</ P> <P align=left> Blue Moon illusory? .</ P> <P align=left> 6 30 evening if the sky was clear, blue sky, the moon will be coming out. .In fact, the full moon night of June 30, and no essential difference with the usual, the moon and can not present a real blue. .Typically, the color of the moon issued a pearl white, and sometimes visible yellow. .From the scientific point of view of astronomy, the moon and its reflected sunlight color theory, but not with any specific date for stakeholders. .Therefore, the blue moon tonight, but a hollow victory it, color is still the pearl white. .Blue Moon is not a bad omen. .</ P> <P align=left> a harbinger of disaster, the blue moon? .</ P> <P align=left> folk had legends, Blue Moon warning disaster. .According to historical records, it's indeed there have been a real blue moon, often accompanied by the disaster. .Any real blue moon night, in fact, because of forest fires, volcanic eruptions and other disasters, smoke and dust particles in Earth's atmosphere in the build-up indirectly caused by the refraction of light. .</ P> <P align=left> 1883, the Indian 尼喀拉喀托 volcanic eruption, volcanic ash blown high into Earth's atmosphere, people see the moon on the night turned blue. .But the blue moon phenomenon is caused by celestial bodies natural law, natural disasters and the Blue Moon there is no scientific evidence linked. .</ P> </ p>.